COPI, I. M., & Cohen, C. 1. (1990). Introduction to logic (8th ed.). New York: Macmillan Publishing Company.
Chicago Style CitationCOPI, Irving M., and Carl 1931- Cohen. Introduction to Logic. 8th ed. New York: Macmillan Publishing Company, 1990.
MLA CitationCOPI, Irving M., and Carl 1931- Cohen. Introduction to Logic. 8th ed. New York: Macmillan Publishing Company, 1990.
Warning: These citations may not always be 100% accurate.